CN115965912A - Distribution network equipment state monitoring system and method based on image recognition - Google Patents
Distribution network equipment state monitoring system and method based on image recognition Download PDFInfo
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Abstract
The invention provides a distribution network equipment state monitoring system and method based on image recognition, which comprises a visible light image information acquisition terminal, an infrared thermal imaging information acquisition terminal, an image recognition terminal, a shooting parameter adjusting terminal and a monitoring information generating terminal; the visible light image information acquisition terminal is used for acquiring visible light image information for the distribution network equipment; the infrared thermal imaging information acquisition terminal is used for acquiring infrared thermal imaging information for the distribution network equipment; the shooting parameter adjusting terminal is used for adjusting the shooting angle and the shooting distance of the visible light image information acquiring terminal and the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment; the image recognition terminal is used for carrying out image recognition on the visible light image information and the infrared thermal imaging information to generate recognition result information; and the monitoring information generating terminal is used for generating monitoring information according to the identification result information. The invention has the effect of improving the monitoring accuracy.
Description
Technical Field
The invention relates to the technical field of distribution network equipment monitoring systems, in particular to a distribution network equipment state monitoring system and method based on image recognition.
Background
The distribution network equipment generally comprises a transformer box, a high-voltage cabinet, a low-voltage cabinet, a bus bridge, a direct-current screen, a simulation screen, a distribution network integrated box and the like. In order to ensure the normal operation of the distribution network equipment and reduce the manpower, the monitoring system is required to monitor the distribution network equipment.
Now, a lot of distribution network device status monitoring systems have been developed, and through a lot of search and reference, it is found that the distribution network device status monitoring systems in the prior art are as disclosed in publication numbers CN110275088B, CN103837786A, EP3140898A1, US20150043119A1, JP2015019501a, and these distribution network device status monitoring systems generally include: a primary signal detector, a plurality of secondary signal detectors; a server connected to the primary signal detector and the plurality of secondary signal detectors; and a power supply connected to the primary signal detector and the plurality of secondary signal detectors; each secondary signal detector is connected with a secondary loop load; a plurality of clients connected to the server; the signal detector is used for carrying out state quantity detection and characteristic quantity extraction on equipment and a loop detected by the secondary circuit; the server is used for processing and storing data of the primary signal detector and the plurality of secondary signal detectors; the client is used for viewing the data stored in the server. The monitoring process of the distribution network equipment state monitoring system is single, and the repeated confirmation process is lacked, so that the defect of reduced monitoring accuracy is caused.
Disclosure of Invention
The invention aims to provide a distribution network equipment state monitoring system and method based on image recognition, aiming at the defects of the distribution network equipment state monitoring system.
The invention adopts the following technical scheme:
a distribution network equipment state monitoring system based on image recognition comprises a visible light image information acquisition terminal, an infrared thermal imaging information acquisition terminal, an image recognition terminal, a shooting parameter adjusting terminal and a monitoring information generating terminal;
the visible light image information acquisition terminal is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information; the infrared thermal imaging information acquisition terminal is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information; the shooting parameter adjusting terminal is used for adjusting the shooting angle and the shooting distance of the visible light image information acquiring terminal and the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment;
the image recognition terminal is used for carrying out image recognition on visible light image information and infrared thermal imaging information to generate recognition result information; and the monitoring information generating terminal is used for generating monitoring information according to the identification result information.
Optionally, the visible light image information acquiring terminal includes a first adjustment instruction receiving module, a first adjustment instruction executing module, and a visible light image information acquiring module; the first adjusting instruction receiving module is used for receiving a first adjusting instruction from a shooting parameter adjusting terminal, and the first adjusting instruction is used for adjusting a shooting angle and a shooting distance of the visible light image information acquiring terminal for shooting the distribution network equipment; the first adjusting instruction executing module is used for adjusting the distance and the angle between the visible light image information acquiring module and the distribution network equipment according to a first adjusting instruction; the visible light image information acquisition module is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information.
Optionally, the infrared thermal imaging information acquiring terminal includes a second adjustment instruction receiving module, a second adjustment instruction executing module, and an infrared thermal imaging information acquiring module; the second adjusting instruction receiving module is used for receiving a second adjusting instruction from the shooting parameter adjusting terminal, and the second adjusting instruction is used for adjusting the shooting angle and the shooting distance of the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment; the second adjusting instruction execution module is used for adjusting the distance and the angle between the infrared thermal imaging information acquisition module and the distribution network equipment according to a second adjusting instruction; the infrared thermal imaging information acquisition module is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information.
Optionally, the image recognition terminal includes a top layer light recognition module, a bottom layer light recognition module and a thermal imaging information recognition module; the two mutually matched distribution network devices are arranged in a preset distribution network frame at intervals up and down to form a top distribution network device and a bottom distribution network device; the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal are arranged between the two opposite distribution racks; the top layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the top layer and generating top layer light initial check information; the bottom layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the bottom layer to generate bottom layer light initial check information; the thermal imaging information identification module is used for identifying all thermal imaging information and generating thermal imaging initial investigation information;
when the top layer light identification module pair works, the following formula is satisfied:
wherein D is 1 Representing a top layer light index in the top layer light initial check information corresponding to the top layer distribution network equipment; f. of 1 (r) a coefficient selection function representing red pixel points based on visible light image information of the top distribution network equipment; d a Representing the pixel value of the a-th green pixel point in the visible light image information corresponding to the top distribution network equipment; a represents the total number of green pixel points in the visible light image information corresponding to the top-layer distribution network equipment; r represents the total number of red pixels;k 1 representing a green pixel coefficient; k is a radical of formula max Representing the maximum coefficient based on the occurrence of red pixels; k is a radical of formula 1 And k max All are set by monitors according to experience;
when the bottom layer light identification module pair works, the following formula is satisfied:
wherein D is 2 The bottom layer light index in the bottom layer light initial check information corresponding to the bottom layer distribution network equipment is represented; f. of 2 (r) a coefficient selection function representing red pixels based on visible light image information of the underlying distribution network device; d b The pixel value of the a-th green pixel point in the visible light image information corresponding to the bottom distribution network equipment is represented; b represents the total number of green pixel points in visible light image information corresponding to the bottom layer distribution network equipment; k is a radical of 1 Representing a green pixel coefficient; k is a radical of max Representing the maximum coefficient based on the occurrence of red pixels; k is a radical of 1 And k max Are set by the monitor based on experience.
Optionally, the shooting parameter adjusting terminal includes a top shooting position adjusting module and a bottom shooting position adjusting module; the top layer shooting position adjusting module is used for generating top layer shooting position adjusting information according to the top layer lamplight initial checking information; the bottom layer shooting position adjusting module is used for generating bottom layer shooting position adjusting information according to the bottom layer light initial checking information;
when the top layer light corresponding to the distribution network equipment at the top layer is primarily checked for information, r =0 and D 1 ＜D ref If so, the top layer shooting position adjusting module generates top layer shooting position adjusting information for the corresponding distribution network equipment on the top layer; the top layer shooting position adjusting information is used for driving the visible light image information acquisition terminal to move to a preset position towards the corresponding distribution network equipment on the top layer；
When the bottom layer light corresponding to the distribution network equipment on the bottom layer is primarily checked, r =0 and D 2 ＜D ref If so, the bottom layer shooting position adjusting module generates bottom layer shooting position adjusting information for the corresponding distribution network equipment of the bottom layer; the bottom layer shooting position adjusting information is used for driving the visible light image information acquiring terminal to move to a preset position towards the corresponding bottom layer distribution network equipment;
after the visible light image information acquisition terminal reaches a preset position, carrying out secondary shooting on the distribution network equipment to acquire corresponding secondary detection image information; and the top layer light identification module and the bottom layer light identification module are used for carrying out light identification on the secondary detection image information to generate corresponding top layer light review information and bottom layer light review information.
Optionally, when the top light identification module and the bottom light identification module generate corresponding top light review information and bottom light review information, the following formula is satisfied:
wherein Q 1 Representing a monitoring index in the top layer light review information or the bottom layer light review information; d' 3 Expressing the sum of pixel values of green pixel points in the secondary detection image information; w represents the sum of pixel values of pollutant pixel points in the secondary detection image information; y represents the number of the service years of the corresponding distribution network equipment; mu.s 1 And mu 2 The index conversion coefficients are set by a monitor according to experience;
d′ a′ representing secondary detected image informationThe pixel value of the a' th green pixel point in the information; a' represents the total number of green pixel points in the secondary detection image information; w is a c Representing the pixel value of the c-th pollutant pixel point in the secondary detection image information; representing the total number of pollutant pixel points in the secondary detection image information;
when Q is 1 ＞Q ref And the monitoring information generating terminal generates monitoring information for prompting a monitor to carry out on-site cleaning and maintenance on the distribution network equipment.
A distribution network equipment state monitoring method based on image recognition is applied to the distribution network equipment state monitoring system based on image recognition, and comprises the following steps:
s1, carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information;
s2, carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to obtain infrared thermal imaging information;
s3, adjusting the shooting angle and the shooting distance of the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal to the distribution network equipment;
s4, carrying out image recognition on the visible light image information and the infrared thermal imaging information to generate recognition result information;
and S5, generating monitoring information according to the identification result information.
The beneficial effects obtained by the invention are as follows:
1. the system comprises a visible light image information acquisition terminal, an infrared thermal imaging information acquisition terminal, an image recognition terminal, a shooting parameter adjustment terminal and a monitoring information generation terminal, wherein the visible light image information acquisition terminal, the infrared thermal imaging information acquisition terminal, the image recognition terminal, the shooting parameter adjustment terminal and the monitoring information generation terminal are arranged, and monitoring is carried out in a multi-dimensional monitoring mode of the visible light image information and the infrared thermal imaging information, so that the stability and the accuracy of a monitoring process are improved, and the accuracy of the monitoring system is improved;
2. the arrangement of the first adjusting instruction receiving module, the first adjusting instruction executing module and the visible light image information acquiring module is matched with the arrangement of the second adjusting instruction receiving module, the second adjusting instruction executing module and the infrared thermal imaging information acquiring module, so that the confirmation steps of the monitoring process can be further increased, and the monitoring accuracy is further improved;
3. the top layer light identification module, the bottom layer light identification module and the thermal imaging information identification module are arranged to be matched with a top layer light index algorithm and a bottom layer light index algorithm, so that the light identification effect in the monitoring process is optimized, the identification accuracy in the monitoring process is improved, and the accuracy of the system is improved;
4. the arrangement of the top layer shooting position adjusting module and the bottom layer shooting position adjusting module is beneficial to quickly and accurately adjusting the shooting positions according to the lamplight indexes, so that the monitoring and confirming process is optimized, and the accuracy of the confirming process is improved;
5. the system is matched with a monitoring index algorithm, so that the accuracy of monitoring information is further improved, and the prompting effect of the monitoring information on a monitor is improved;
6. the door opening direction thermal imaging module, the indoor infrared thermal imaging information acquisition module and the early warning module are arranged to cooperate with an early warning index algorithm, so that the accuracy of early warning information is improved, the early warning effect is improved, and the accuracy and the safety of the system are improved.
For a better understanding of the features and technical content of the present invention, reference is made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the application effect of the distribution network frame and the distribution network equipment in the frame;
fig. 3 is a schematic flow chart of a method for monitoring a distribution network device state based on image recognition according to the present invention;
fig. 4 is a schematic view of the overall structure of the infrared thermal imaging information acquisition terminal according to the present invention.
Detailed Description
The following embodiments are provided to illustrate the present invention by specific examples, and those skilled in the art will be able to understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not drawn to scale, and are not intended to be described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
The embodiment provides a distribution network equipment state monitoring system based on image recognition. The present embodiment is applicable to the following application scenarios: the method is applied to the situation that a monitor monitors more distribution network devices in real time. It should be noted that the distribution network equipment is preset with a state prompting lamp for a monitor to check, when the state prompting lamp of the distribution network equipment emits green light, the working state of the distribution network equipment is normal, and when the state prompting lamp of the distribution network equipment emits red light, the working state of the distribution network equipment is abnormal. With reference to fig. 1, a distribution network device state monitoring system based on image recognition includes a visible light image information obtaining terminal, an infrared thermal imaging information obtaining terminal, an image recognition terminal, a shooting parameter adjusting terminal, and a monitoring information generating terminal;
the visible light image information acquisition terminal is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information; the infrared thermal imaging information acquisition terminal is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information; the shooting parameter adjusting terminal is used for adjusting the shooting angle and the shooting distance of the visible light image information acquiring terminal and the infrared thermal imaging information acquiring terminal to the distribution network equipment;
the image recognition terminal is used for carrying out image recognition on visible light image information and infrared thermal imaging information to generate recognition result information; and the monitoring information generating terminal is used for generating monitoring information according to the identification result information.
Optionally, the visible light image information acquiring terminal includes a first adjustment instruction receiving module, a first adjustment instruction executing module, and a visible light image information acquiring module; the first adjusting instruction receiving module is used for receiving a first adjusting instruction from the shooting parameter adjusting terminal, and the first adjusting instruction is used for adjusting the shooting angle and the shooting distance of the visible light image information acquiring terminal for shooting the distribution network equipment; the first adjusting instruction executing module is used for adjusting the distance and the angle between the visible light image information acquiring module and the distribution network equipment according to a first adjusting instruction; the visible light image information acquisition module is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information.
Optionally, the infrared thermal imaging information acquiring terminal includes a second adjustment instruction receiving module, a second adjustment instruction executing module, and an infrared thermal imaging information acquiring module; the second adjusting instruction receiving module is used for receiving a second adjusting instruction from the shooting parameter adjusting terminal, and the second adjusting instruction is used for adjusting the shooting angle and the shooting distance of the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment; the second adjusting instruction execution module is used for adjusting the distance and the angle between the infrared thermal imaging information acquisition module and the distribution network equipment according to a second adjusting instruction; the infrared thermal imaging information acquisition module is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information.
Optionally, the image recognition terminal includes a top layer light recognition module, a bottom layer light recognition module and a thermal imaging information recognition module; referring to fig. 2, two mutually matched distribution network devices are installed at intervals up and down in a preset distribution network rack to form a top distribution network device and a bottom distribution network device; the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal are arranged between the two opposite distribution racks; the top layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the top layer to generate top layer light initial check information; the bottom layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the bottom layer to generate bottom layer light initial check information; the thermal imaging information identification module is used for identifying all thermal imaging information and generating thermal imaging initial investigation information;
when the top layer light identification module pair works, the following formula is satisfied:
wherein D is 1 Representing a top layer light index in the top layer light initial check information corresponding to the top layer distribution network equipment; f. of 1 (r) a coefficient selection function representing red pixel points based on visible light image information of the top distribution network equipment; d a Representing the pixel value of the a-th green pixel point in the visible light image information corresponding to the top distribution network equipment; a represents the total number of green pixel points in the visible light image information corresponding to the top-layer distribution network equipment; r represents the total number of red pixels; k is a radical of 1 Representing a green pixel coefficient; k is a radical of formula max Representing the maximum coefficient based on the occurrence of red pixels; k is a radical of 1 And k max All are set by monitors according to experience;
when the bottom layer light identification module pair works, the following formula is satisfied:
wherein D is 2 The bottom layer light index in the bottom layer light initial-search information corresponding to the bottom layer distribution network equipment is represented; f. of 2 (r) visible light image information based on underlying distribution network equipmentThe coefficient selection function of the red pixel point; d b Representing the pixel value of the a-th green pixel point in the visible light image information corresponding to the bottom distribution network equipment; b represents the total number of green pixel points in visible light image information corresponding to the bottom layer distribution network equipment; k is a radical of formula 1 Representing a green pixel coefficient; k is a radical of max Representing a maximum coefficient based on the occurrence of red pixels; k is a radical of 1 And k max Are set by the monitor according to experience.
Optionally, the shooting parameter adjusting terminal includes a top shooting position adjusting module and a bottom shooting position adjusting module; the top layer shooting position adjusting module is used for generating top layer shooting position adjusting information according to the top layer lamplight initial checking information; the bottom layer shooting position adjusting module is used for generating bottom layer shooting position adjusting information according to the bottom layer light initial-checking information;
when the top layer light corresponding to the distribution network equipment at the top layer is primarily checked for information, r =0 and D 1 ＜D ref If so, the top layer shooting position adjusting module generates top layer shooting position adjusting information for the corresponding distribution network equipment on the top layer; the top layer shooting position adjusting information is used for driving the visible light image information acquisition terminal to move to a preset position towards the corresponding top layer distribution network equipment; the preset position is a position which is set in advance by a monitor and is used for enabling the visible light image information acquisition terminal to be closer to the corresponding distribution network equipment;
when the bottom layer light corresponding to the distribution network equipment on the bottom layer is primarily checked, r =0 and D 2 ＜D ref If so, the bottom layer shooting position adjusting module generates bottom layer shooting position adjusting information for the corresponding distribution network equipment of the bottom layer; the bottom layer shooting position adjusting information is used for driving the visible light image information acquisition terminal to move to a preset position towards the corresponding bottom layer distribution network equipment;
after the visible light image information acquisition terminal reaches a preset position, carrying out secondary shooting on the distribution network equipment to acquire corresponding secondary detection image information; and the top layer light identification module and the bottom layer light identification module are used for carrying out light identification on the secondary detection image information to generate corresponding top layer light review information and bottom layer light review information.
Optionally, when the top light identification module and the bottom light identification module generate corresponding top light review information and bottom light review information, the following formula is satisfied:
wherein Q is 1 Representing a monitoring index in the top layer light review information or the bottom layer light review information; d' 3 Expressing the pixel value sum of green pixel points in the secondary detection image information; w represents the sum of pixel values of pollutant pixel points in the secondary detection image information; y represents the service life of the corresponding distribution network equipment; mu.s 1 And mu 2 The index conversion coefficients are set by a monitor according to experience;
d′ a′ expressing the pixel value of the a' th green pixel point in the secondary detection image information; a' represents the total number of green pixel points in the secondary detection image information; w is a c Representing the pixel value of the c-th pollutant pixel point in the secondary detection image information; c represents the total number of pollutant pixel points in the secondary detection image information;
when Q is 1 ＞Q ref And the monitoring information generating terminal generates monitoring information for prompting a monitor to carry out on-site cleaning and maintenance on the distribution network equipment.
A distribution network device state monitoring method based on image recognition is applied to the distribution network device state monitoring system based on image recognition, and shown in fig. 3, the distribution network device state monitoring method includes:
s1, carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information;
s2, carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to obtain infrared thermal imaging information;
s3, adjusting the shooting angle and shooting distance of the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal for shooting the distribution network equipment;
s4, carrying out image recognition on the visible light image information and the infrared thermal imaging information to generate recognition result information;
and S5, generating monitoring information according to the identification result information.
Example two.
The embodiment includes the whole content of the first embodiment, and provides a distribution network equipment state monitoring system and method based on image recognition, and as shown in fig. 4, the infrared thermal imaging information acquisition terminal further includes a portal direction thermal imaging module and an early warning module; the doorway direction thermal imaging module is used for carrying out thermal imaging analysis on the doorway environment to generate analysis result information; the early warning module is used for generating early warning information according to the analysis result information and the infrared thermal imaging information.
When the early warning module carries out early warning, an early warning index is calculated:
P＝U(s)*max+T
wherein P represents an early warning index; u(s) represents a selection function based on the total area of the biological thermal imaging entering the doorway in the analysis result information; s represents a total area of thermal imaging of the creature entering the doorway in the analysis result information; s ref Represents the smallest thermal imaging area in the thermal imaging of all monitors; max represents a maximization factor, set empirically by a monitor; t represents the real-time temperature value of the distribution network equipment with the highest temperature in the infrared thermal imaging information;
and then comparing the early warning index with an early warning threshold value:
in the formula, H represents early warning information; h =1 represents the early warning information of potential safety hazard; h =0 represents early warning information without potential safety hazard; p represents an early warning threshold value and is set by a monitor according to experience; it is to be noted that when U(s) =1, P ≧ P.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention, so that all equivalent technical changes made by using the contents of the specification and the drawings are included in the scope of the invention, and further, the elements thereof can be updated as the technology advances.
Claims (7)
1. A distribution network equipment state monitoring system based on image recognition is characterized by comprising a visible light image information acquisition terminal, an infrared thermal imaging information acquisition terminal, an image recognition terminal, a shooting parameter adjusting terminal and a monitoring information generating terminal;
the visible light image information acquisition terminal is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information; the infrared thermal imaging information acquisition terminal is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information; the shooting parameter adjusting terminal is used for adjusting the shooting angle and the shooting distance of the visible light image information acquiring terminal and the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment;
the image recognition terminal is used for carrying out image recognition on visible light image information and infrared thermal imaging information to generate recognition result information; and the monitoring information generating terminal is used for generating monitoring information according to the identification result information.
2. The system for monitoring the state of the distribution network equipment based on the image recognition, as claimed in claim 1, wherein the visible light image information acquiring terminal comprises a first adjusting instruction receiving module, a first adjusting instruction executing module and a visible light image information acquiring module; the first adjusting instruction receiving module is used for receiving a first adjusting instruction from a shooting parameter adjusting terminal, and the first adjusting instruction is used for adjusting a shooting angle and a shooting distance of the visible light image information acquiring terminal for shooting the distribution network equipment; the first adjusting instruction executing module is used for adjusting the distance and the angle between the visible light image information acquiring module and the distribution network equipment according to a first adjusting instruction; the visible light image information acquisition module is used for carrying out visible light shooting on the distribution network equipment and the installation environment of the distribution network equipment to acquire visible light image information.
3. The system for monitoring the state of the distribution network equipment based on the image recognition is characterized in that the infrared thermal imaging information acquisition terminal comprises a second adjustment instruction receiving module, a second adjustment instruction execution module and an infrared thermal imaging information acquisition module; the second adjusting instruction receiving module is used for receiving a second adjusting instruction from the shooting parameter adjusting terminal, and the second adjusting instruction is used for adjusting the shooting angle and the shooting distance of the infrared thermal imaging information acquiring terminal for shooting the distribution network equipment; the second adjusting instruction execution module is used for adjusting the distance and the angle between the infrared thermal imaging information acquisition module and the distribution network equipment according to a second adjusting instruction; the infrared thermal imaging information acquisition module is used for carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to acquire infrared thermal imaging information.
4. The system for monitoring the state of distribution network equipment based on image recognition is characterized in that the image recognition terminal comprises a top layer light recognition module, a bottom layer light recognition module and a thermal imaging information recognition module; the two mutually matched distribution network devices are arranged in a preset distribution network frame at intervals up and down to form a top distribution network device and a bottom distribution network device; the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal are arranged between the two opposite grid distribution frames; the top layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the top layer and generating top layer light initial check information; the bottom layer light identification module is used for carrying out light identification on a visible light image information acquisition terminal of the distribution network equipment at the bottom layer to generate bottom layer light initial check information; the thermal imaging information identification module is used for identifying all thermal imaging information and generating thermal imaging initial investigation information;
when the top layer light identification module pair works, the following formula is satisfied:
wherein D is 1 Representing a top layer light index in the top layer light initial check information corresponding to the top layer distribution network equipment; f. of 1 (r) a coefficient selection function representing red pixel points based on visible light image information of the top distribution network equipment; d is a radical of a The pixel value of the a-th green pixel point in the visible light image information corresponding to the top distribution network equipment is represented; a represents the total number of green pixel points in the visible light image information corresponding to the top distribution network equipment; r represents the total number of red pixels; k is a radical of 1 Representing a green pixel coefficient; k is a radical of formula max Representing the maximum coefficient based on the occurrence of red pixels; k is a radical of 1 And k max All are set by monitors according to experience;
when the bottom layer light identification module pair works, the following formula is satisfied:
wherein D is 3 The bottom layer light index in the bottom layer light initial check information corresponding to the bottom layer distribution network equipment is represented; f. of 3 (r) a coefficient selection function representing red pixel points based on visible light image information of the underlying distribution network device; d d Representing the pixel value of the a-th green pixel point in the visible light image information corresponding to the bottom distribution network equipment; b represents the total number of green pixel points in the visible light image information corresponding to the bottom distribution network equipment; k is a radical of 1 Representing a green pixel coefficient; k is a radical of formula max Representing the maximum coefficient based on the occurrence of red pixels; k is a radical of formula 1 And k max Are set by the monitor based on experience.
5. The system for monitoring the state of distribution network equipment based on image recognition according to claim 4, wherein the shooting parameter adjusting terminal comprises a top shooting position adjusting module and a bottom shooting position adjusting module; the top layer shooting position adjusting module is used for generating top layer shooting position adjusting information according to the top layer lamplight initial checking information; the bottom layer shooting position adjusting module is used for generating bottom layer shooting position adjusting information according to the bottom layer light initial checking information;
when the top layer light corresponding to the distribution network equipment at the top layer is primarily checked, r =0 and D 1 ＜D ref If so, the top layer shooting position adjusting module generates top layer shooting position adjusting information for the corresponding distribution network equipment on the top layer; the top layer shooting position adjusting information is used for driving the visible light image information acquisition terminal to move to a preset position towards the corresponding top layer distribution network equipment;
when the bottom layer light corresponding to the distribution network equipment on the bottom layer is primarily checked, r =0 and D 2 ＜D ref If so, the bottom layer shooting position adjusting module generates bottom layer shooting position adjusting information for the corresponding distribution network equipment of the bottom layer; the bottom layer shooting position adjusting information is used for driving the visible light image information acquisition terminal to move to a preset position towards the corresponding bottom layer distribution network equipment;
after the visible light image information acquisition terminal reaches a preset position, carrying out secondary shooting on the distribution network equipment to acquire corresponding secondary detection image information; and the top layer light identification module and the bottom layer light identification module are used for carrying out light identification on the secondary detection image information to generate corresponding top layer light review information and bottom layer light review information.
6. The system of claim 5, wherein when the top light identification module and the bottom light identification module generate corresponding top light review information and bottom light review information, the following equation is satisfied:
wherein Q 1 Representing a monitoring index in the top layer light review information or the bottom layer light review information; d' 3 Expressing the sum of pixel values of green pixel points in the secondary detection image information; w represents the sum of pixel values of pollutant pixel points in the secondary detection image information; y represents the service life of the corresponding distribution network equipment; mu.s 1 And mu 2 The index conversion coefficients are set by a monitor according to experience;
d′ a′ expressing the pixel value of the a' th green pixel point in the secondary detection image information; a' represents the total number of green pixel points in the secondary detection image information; w is a c Representing the pixel value of the c pollutant pixel point in the secondary detection image information; representing the total number of pollutant pixel points in the secondary detection image information;
when Q is 1 ＞Q ref And the monitoring information generating terminal generates monitoring information for prompting a monitor to carry out on-site cleaning and maintenance on the distribution network equipment.
7. The distribution network equipment state monitoring method based on image recognition is applied to the distribution network equipment state monitoring system based on image recognition, and is characterized by comprising the following steps of:
s1, carrying out visible light shooting on a distribution network device and an installation environment of the distribution network device to acquire visible light image information;
s2, carrying out infrared thermal imaging identification on the distribution network equipment and the installation environment of the distribution network equipment to obtain infrared thermal imaging information;
s3, adjusting the shooting angle and the shooting distance of the visible light image information acquisition terminal and the infrared thermal imaging information acquisition terminal to the distribution network equipment;
s4, carrying out image recognition on the visible light image information and the infrared thermal imaging information to generate recognition result information;
and S5, generating monitoring information according to the identification result information.
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